Check Point Advisories

Langflow Remote Code Execution (CVE-2026-33017)

Check Point Reference: CPAI-2026-1982
Date Published: 23 Mar 2026
Severity: High
Last Updated: Monday 23 March, 2026
Source:
Industry Reference:CVE-2026-33017
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Langflow up to 1.9.0
Vulnerability Description A remote code execution vulnerability in Langflow allows attackers to execute arbitrary code by sending attacker-controlled flow data containing Python code to a vulnerable endpoint.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Langflow Remote Code Execution (CVE-2026-33017) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Langflow Remote Code Execution (CVE-2026-33017)

×
  Feedback
This website uses cookies for its functionality and for analytics and marketing purposes. By continuing to use this website, you agree to the use of cookies. For more information, please read our Cookies Notice.
OK